The Man Who Sold the Moon Heinlein Signed 1st Ed.

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The Man Who Sold the Moon Heinlein Signed 1st Ed. Description:The Man Who Sold the Moon by Robert A. Heinlein. Shasta Publishers 1950. Stated first edition. Signed by Heinlein. Covers and contents are in very good or better condition. The name J. Barkley Rosser is stamped at bottom of front endpaper and at top of titled page. John Barkley Rosser Sr. (December 6, 1907 – September 5, 1989) was an American logician , a student of Alonzo Church , and known for his part in the Church–Rosser theorem , in lambda calculus . He also developed what is now called the Rosser sieve , in number theory . He was later director of the Army Mathematics Research Center at the University of Wisconsin–Madison . Rosser wrote mathematical textbooks as well.In 1936, he proved Rosser's trick , a stronger version of Gödel's first incompleteness theorem which shows that the requirement for ω-consistency may be weakened to consistency. Rather than using the liar paradox sentence equivalent to "I am not provable," he used a sentence that stated "For every proof of me, there is a shorter proof of my negation".In prime number theory, he proved Rosser's theorem .From Wikipedia: The Man Who Sold the Moon is a science fiction novella by Robert A. Heinlein written in 1949 and published in 1950. A part of his Future History and prequel to "Requiem" it covers events read more

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